Twin Lake (Upper) Fish Stocking
Montana · 1979–2025 on record
According to Montana fish & wildlife agency, Twin Lake (Upper) was last stocked July 16, 2025 with Arctic Grayling. Twin Lake (Upper) has 24 stocking records on file, spanning 1979–2025, with about 17,585 fish stocked over that period.
When Twin Lake (Upper) is stocked
Twin Lake (Upper) is typically stocked in summer, most often in July — 7 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Twin Lake (Upper), freshest activity first.
Ruby River Reservoir
14 mi2 species · 189 records
Last stocked June 2026
Elk Lake
10 mi3 species · 198 records
Last stocked May 2026
Reservoir Lake
0 mi2 species · 9 records
Last stocked July 2022
Axolotl Lake
1 mi3 species · 30 records
Last stocked July 2022
Vigilante Pond
6 mi2 species · 253 records
Last stocked July 2017
Ennis Kids Pond
10 mi1 species · 199 records
Last stocked June 2008
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 16, 2025 | Arctic Grayling | 450 | 5.49" | Montana fish & wildlife agency |
| July 8, 2024 | Arctic Grayling | 300 | 5.97" | Montana fish & wildlife agency |
| July 25, 2023 | Arctic Grayling | 600 | 6.47" | Montana fish & wildlife agency |
| July 15, 2022 | Arctic Grayling | 225 | 2.27" | Montana fish & wildlife agency |
| June 15, 2021 | Arctic Grayling | 185 | 6.06" | Montana fish & wildlife agency |
| June 15, 2021 | Arctic Grayling | 215 | 5.88" | Montana fish & wildlife agency |
| July 13, 2020 | Arctic Grayling | 225 | 6.21" | Montana fish & wildlife agency |
| July 13, 2020 | Arctic Grayling | 225 | 6.31" | Montana fish & wildlife agency |
Show 16 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 31, 2018 | Arctic Grayling | 200 | 6.12" | Montana fish & wildlife agency |
| May 18, 2016 | Arctic Grayling | 320 | 4.28" | Montana fish & wildlife agency |
| June 3, 2014 | Arctic Grayling | 500 | 5.51" | Montana fish & wildlife agency |
| May 21, 2013 | Arctic Grayling | 500 | 5.5" | Montana fish & wildlife agency |
| May 15, 2012 | Arctic Grayling | 500 | 4.7" | Montana fish & wildlife agency |
| June 2, 2011 | Arctic Grayling | 625 | 4.84" | Montana fish & wildlife agency |
| May 19, 2010 | Arctic Grayling | 750 | 4" | Montana fish & wildlife agency |
| July 11, 2009 | Arctic Grayling | 1,000 | 5" | Montana fish & wildlife agency |
| May 28, 2008 | Arctic Grayling | 750 | 5.17" | Montana fish & wildlife agency |
| August 7, 2003 | Cutthroat Trout | 500 | 2.15" | Montana fish & wildlife agency |
| September 6, 2000 | Arctic Grayling | 2,452 | 2.5" | Montana fish & wildlife agency |
| September 1, 1988 | Arctic Grayling | 2,818 | 3" | Montana fish & wildlife agency |
| August 31, 1988 | Cutthroat Trout | 1,020 | 1.9" | Montana fish & wildlife agency |
| August 6, 1984 | Cutthroat Trout | 1,500 | 1" | Montana fish & wildlife agency |
| August 8, 1980 | Cutthroat Trout | 1,500 | 2" | Montana fish & wildlife agency |
| August 1, 1979 | Cutthroat Trout | 225 | 2" | Montana fish & wildlife agency |
Frequently asked
When was Twin Lake (Upper) last stocked?
According to Montana fish & wildlife agency, Twin Lake (Upper) was last stocked July 16, 2025 with Arctic Grayling.
What fish species are stocked in Twin Lake (Upper)?
Twin Lake (Upper) is stocked with Arctic Grayling and Cutthroat Trout.
What time of year is Twin Lake (Upper) stocked?
Twin Lake (Upper) is typically stocked in summer, most often in July.
How often is Twin Lake (Upper) stocked?
Twin Lake (Upper) is stocked intermittently — 24 recorded stockings between 1979 and 2025.
How many fish have been stocked in Twin Lake (Upper)?
About 17,585 fish have been stocked in Twin Lake (Upper) across 24 recorded events since 1979, per Montana fish & wildlife agency.
What size are the fish stocked in Twin Lake (Upper)?
Fish stocked in Twin Lake (Upper) average about 4.3 inches, based on the sizes the agency reported.